UNIVERSITY -23W-

Oil · District 7C · Lease #8690

Operator: OTB OPERATING, LLC

Fields: FARMER (SAN ANDRES)

Cum Oil

126k BBL

Cum Gas

99k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

2017-07

Production History

Cum Oil: 126,139 BBL Cum Gas: 98,828 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

929 BBL/mo

Di (annual)

5.7%

b-factor

0.0

EUR

183,181 BBL

R-squared

0.420

type

exponential

Operator History (from monthly production reports)

2020-01 — 2026-07 OTB OPERATING, LLC 79 mo

1999-05 — 2019-12 MWS PRODUCING, INC. 248 mo

1993-02 — 1999-04 MARIAH ENERGY CORP. 75 mo

1993-01 — 1993-01 CRAIN OIL CO. 1 mo

Wells (5)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-105-41866	OTB OPERATING, LLC	1	2,500	2013-08-19
4	42-105-41609	OTB OPERATING, LLC	1	2,500	2012-11-06
3	42-105-41419	OTB OPERATING, LLC	1	2,500	2012-02-22
2	42-105-41187	OTB OPERATING, LLC	1	2,650	2010-08-09
1	42-105-33129	OTB OPERATING, LLC	1	2,450	1980-11-10